TWI349246B - Apparatus and method for driving lamp of liquid crystal display device - Google Patents

Apparatus and method for driving lamp of liquid crystal display device

Info

Publication number
TWI349246B
TWI349246B TW095121284A TW95121284A TWI349246B TW I349246 B TWI349246 B TW I349246B TW 095121284 A TW095121284 A TW 095121284A TW 95121284 A TW95121284 A TW 95121284A TW I349246 B TWI349246 B TW I349246B
Authority
TW
Taiwan
Prior art keywords
liquid crystal
display device
crystal display
driving lamp
lamp
Prior art date
Application number
TW095121284A
Other languages
Chinese (zh)
Other versions
TW200717404A (en
Inventor
Hoon Jang
Original Assignee
Lg Display Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lg Display Co Ltd filed Critical Lg Display Co Ltd
Publication of TW200717404A publication Critical patent/TW200717404A/en
Application granted granted Critical
Publication of TWI349246B publication Critical patent/TWI349246B/en

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406Control of illumination source
    • G09G3/342Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406Control of illumination source
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/04Electrodes; Screens; Shields
    • H01J61/10Shields, screens, or guides for influencing the discharge
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/95Lamps with control electrode for varying intensity or wavelength of the light, e.g. for producing modulated light
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J65/00Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
    • H01J65/04Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
    • H01J65/042Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field
    • H01J65/046Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field the field being produced by using capacitive means around the vessel
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/26Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/2806Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without electrodes in the vessel, e.g. surface discharge lamps, electrodeless discharge lamps
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/26Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/282Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/02Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/024Scrolling of light from the illumination source over the display in combination with the scanning of the display screen
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/02Improving the quality of display appearance
    • G09G2320/0261Improving the quality of display appearance in the context of movement of objects on the screen or movement of the observer relative to the screen
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/04Display protection
    • G09G2330/045Protection against panel overheating
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
TW095121284A 2005-10-27 2006-06-14 Apparatus and method for driving lamp of liquid crystal display device TWI349246B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020050101868A KR101159345B1 (en) 2005-10-27 2005-10-27 Apparatus and method for driving lamp of liquid crystal display device

Publications (2)

Publication Number Publication Date
TW200717404A TW200717404A (en) 2007-05-01
TWI349246B true TWI349246B (en) 2011-09-21

Family

ID=36745354

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095121284A TWI349246B (en) 2005-10-27 2006-06-14 Apparatus and method for driving lamp of liquid crystal display device

Country Status (6)

Country Link
US (1) US7839377B2 (en)
JP (1) JP4227154B2 (en)
KR (1) KR101159345B1 (en)
CN (1) CN100555388C (en)
GB (1) GB2431765B (en)
TW (1) TWI349246B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101334550B (en) * 2007-06-29 2010-08-25 群康科技(深圳)有限公司 Liquid crystal display device and driving method thereof
US8455053B2 (en) 2007-07-06 2013-06-04 Sony Corporation Separator, battery using the same, and method for manufacturing separator
JP5191711B2 (en) 2007-09-05 2013-05-08 株式会社ジャパンディスプレイイースト Liquid crystal display
US8264439B2 (en) * 2007-11-01 2012-09-11 Wintek Corporation Liquid crystal display panel and liquid crystal display device using the same
JP5301400B2 (en) * 2008-11-28 2013-09-25 株式会社ジャパンディスプレイ Backlight device and display device
EP2549469A4 (en) 2010-06-28 2014-04-30 Sharp Kk Liquid crystal display apparatus and scan backlight control method
TWI449018B (en) * 2011-09-13 2014-08-11 Au Optronics Corp Scanning backlight module, stereoscopic image displaying apparatus, method for driving scanning backlight module, and method for driving stereoscopic image displaying apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5387921A (en) * 1992-10-08 1995-02-07 Panocorp Display Systems Scanning back illuminating light source for liquid crystal and other displays
KR100350014B1 (en) * 2000-04-15 2002-08-24 주식회사 광운디스플레이기술 Backlight including External electrode fluorescent lamp and the driving method thereof
US7012578B2 (en) * 2002-06-21 2006-03-14 Matsushita Electric Industrial Co., Ltd. Light emission control device, backlight device, liquid crystal display apparatus, liquid crystal monitor and liquid crystal television
KR20050050894A (en) * 2003-11-26 2005-06-01 엘지.필립스 엘시디 주식회사 Back-light unit
KR101192104B1 (en) * 2005-06-10 2012-10-16 엘지디스플레이 주식회사 Liquid crystal display apparatus and method for driving the same

Also Published As

Publication number Publication date
US7839377B2 (en) 2010-11-23
KR101159345B1 (en) 2012-06-25
JP2007123233A (en) 2007-05-17
CN1956044A (en) 2007-05-02
GB0611161D0 (en) 2006-07-19
TW200717404A (en) 2007-05-01
GB2431765B (en) 2007-10-31
KR20070045510A (en) 2007-05-02
GB2431765A (en) 2007-05-02
CN100555388C (en) 2009-10-28
US20070097288A1 (en) 2007-05-03
JP4227154B2 (en) 2009-02-18

Similar Documents

Publication Publication Date Title
TWI317918B (en) Apparatus and method for driving liquid crystal display device
TWI346317B (en) Apparatus and method for driving liquid crystal display device
GB2427741B (en) Method and apparatus for driving liquid crystal display device
TWI320561B (en) Method and apparatus for driving liquid crystal display device
TWI350507B (en) Apparatus and method for driving liquid crystal display device
TWI318759B (en) Apparatus for driving liquid crystal display device and driving method using the same
GB2420650B (en) Apparatus and method for luminance control of liquid crystal display device
GB2428510B (en) Source driver circuit and driving method for liquid crystal display device
GB2409754B (en) Method and apparatus for driving liquid crystal display
IL181528A0 (en) Method and apparatus for liquid crystal displays
GB2408138B (en) Method and apparatus for driving liquid crystal display
GB2435142B (en) Apparatus and method for driving liquid crystal display device
TWI349248B (en) Apparatus and method for driving liquid crystal display device
EP1818903A4 (en) Liquid crystal display apparatus and method for driving the same
GB2445044B (en) Liquid crystal display device and method of driving same
GB2440362B (en) Liquid crystal display device and method of driving the same
TWI350505B (en) Apparatus and method for driving liquid crystal display device
GB2431277B (en) Apparatus and method for driving liquid crystal display device
GB2439590B (en) Liquid crystal display device and method of driving the same
EP2015286A4 (en) Liquid crystal display apparatus and method for driving the same
TWI349246B (en) Apparatus and method for driving lamp of liquid crystal display device
GB2436410B (en) Apparatus and method for driving liquid crystal display device
GB2420920B (en) Apparatus and method of driving lamp of liquid crystal display device
GB2409357B (en) Apparatus and method for driving lamp of liquid crystal display device
TWI347579B (en) Liquid crystal display device and driving method of the liquid crystal display device

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees